Mity CPU Platforms » MityDSP-L138 (ARM9 Based Platforms)

11/16/2010

07:44 AM Software Development: RE: I2C Board Support Package

Hi Simon -
The latest version of our kernel is included in the tarball on the BSP wiki page located here:
htt... Thomas Catalino

11/15/2010

10:34 PM Software Development: RE: Boot loader on NAND instead of NOR

Hi Simon,
It is still a good idea to hook up the MDIO pins to the PHY. The same two MDIO pins used in MII mode ... Mike Pilawa

09:36 PM Software Development: RE: Boot loader on NAND instead of NOR

Hey Mike,
Yes the RMII is a good alternative. When we will be there, I will probably ask for some support. What we... Simon Therriault

05:34 PM Software Development: RE: Boot loader on NAND instead of NOR

Hi Simon,
While it is indeed possible for the OMAP-L138 CPU to boot from NAND, this is not a boot mode that Crit... Mike Pilawa

11/12/2010

03:36 PM Software Development: RE: I2C Board Support Package

Tried to patch the changes from that file into the kernel posted under Files on this site. Syntax errors on DA850_GPI... Dennis Volper

02:06 PM Software Development: RE: Audio help needed

Please ignore the previous, incredibly stupid question. My mistake is not realizing that it's the stuff in the Kconfi... Dennis Volper

11/11/2010

09:42 PM Software Development: Boot loader on NAND instead of NOR

Hi,
One of the big problem I am facing right now is the fact that both PWM modules aren't usable at all. PWM 0 is ... Simon Therriault

07:39 PM Software Development: RE: Loading a New Kernal

No. If you do this you will erase the UBL and u-boot. Please don't execute this command as you have typed.
Look ... Michael Williamson

06:53 PM Software Development: RE: I2C Board Support Package

If you look in the most recent version of the kernel in the "arch/arm/mach-davinci/board-mityomapl138.c":http://suppo... Michael Williamson

05:51 PM Software Development: RE: I2C Board Support Package

Ok I got the I2C tools loaded and working. Out issue is that the SYS_RESET_N ( GP5[14] )signal that comes from the O... John Mladenik

06:49 PM Software Development: RE: Audio help needed

Well, most of the git problem seems to be at our end. Some router close to us seems to be traffic shaping us to zero ... Dennis Volper

11/09/2010

08:12 PM Software Development: RE: Audio help needed

Hi Dennis,
Regarding the audio driver, it sounds like you have a pretty solid handle on the code. The bottom line... Michael Williamson

07:02 PM Software Development: RE: Audio help needed

Still stuck on the sound. I looked at the davinci-evm.c and the 3x is called out in that file, however, the Kconfig i... Dennis Volper

11/05/2010

12:13 PM Software Development: RE: I2C Board Support Package

Well our software guy has the i2cdump, I have not been able to get it loaded on m system yet as I indicated in my pre... John Mladenik

11:41 AM Software Development: RE: I2C Board Support Package

Ok. Sounds like you have i2cdump, right? What is the device you are using? The address is sometimes non-obvious to... Michael Williamson

11:38 AM Software Development: RE: I2C Board Support Package

Mike
We are using the TI I2C tools and our hardware uses I2C0 but we get all X's when doing a dump from the I2C ad... John Mladenik

11:26 AM Software Development: RE: I2C Board Support Package

Hi John -
I believe you are looking at using the I2C driver we provide under the FPGA directory. This driver is i... Thomas Catalino

11:24 AM Software Development: RE: I2C Board Support Package

Which I2C port are you trying to use, I2C0 or I2C1? If you are trying to use I2C0, then you should be able to use th... Michael Williamson

11:12 AM Software Development: I2C Board Support Package

Our software guy is trying to use your I2C board support to drive the I2C devices we have connected to the OMAP's I2C... John Mladenik

11/04/2010

08:51 PM Software Development: RE: Timers and interrupt

Hi again
I was wondering, where can I found documentation about which hardware timers are already used by the li... Simon Therriault

02:54 PM Software Development: RE: QNX

Hi John,
Thanks, your fix worked! I'm running Rev. B hardware, don't know if that contributed to the problem, but... Rob Gillis

12:33 PM Software Development: RE: QNX

Rob,
What revision of the indio board do you have? I am running on rev D.
One thing to try is to turn off the ... John Pruitt

11:06 AM Software Development: RE: QNX

John,
Thanks for providing the BSP. Your directions for getting it booted are clear, but I can't get it running o... Rob Gillis

11/03/2010

12:31 PM Software Development: RE: QNX

Rob,
I have created a new project for QNX platform support. Please see http://support.criticallink.com/redmine/pro... John Pruitt

07:45 AM Software Development: RE: DSP-6748 wiki info

Hey!
Well it's not that much a big deal. We are working on our own motherboard to connect the SODIMM so we will ha... Simon Therriault

07:34 AM Software Development: RE: DSP-6748 wiki info

On the Industrial I/O host card, you are correct, neither SPI port that is connected to the OMAP-L138 on the MityDSP-... Michael Williamson

11/02/2010

11:28 PM Software Development: RE: DSP-6748 wiki info

Another verification : On the mitydsp-l138 motherboard, there are three 50 pins IO expansion slots. Could you confirm... Simon Therriault

09:49 PM Software Development: RE: DSP-6748 wiki info

When I build in CCS my stuff, do I need a special linker for the mitydsp card? Simon Therriault

09:06 PM Software Development: RE: DSP-6748 wiki info

Thanks a lot Mike!
I will dive in now and I'll keep you posted when I hit a wall. Simon Therriault

09:05 PM Software Development: RE: DSP-6748 wiki info

Actually, we recommend that you load it into RAM (using tftp or nfs load or serial, whatever) and boot using the "boo... Michael Williamson

08:59 PM Software Development: RE: DSP-6748 wiki info

Just a quick question before digging in. If I change the kernel, then compile it and load it in the flash but nothing... Simon Therriault

08:51 PM Software Development: RE: DSP-6748 wiki info

Yes the ARM always runs. By default, it leaves the DSP powered up but in a reset and "nop" state, so it's basically ... Michael Williamson

08:34 PM Software Development: RE: DSP-6748 wiki info

Hey,
Yes I have a CC4 Platinum version and a XDS510 USB. I will have to read about gel files since I don't know wh... Simon Therriault

08:17 PM Software Development: RE: DSP-6748 wiki info

OK. I can get you started on that.
You can connect to the DSP via the OMAP JTAG emulator (such as the XDS510 or t... Michael Williamson

08:03 PM Software Development: RE: DSP-6748 wiki info

Hey Mike
Thanks for your quick feedback.
Well, my main interrogation are mainly how to start working on the DSP... Simon Therriault

07:54 PM Software Development: RE: DSP-6748 wiki info

Hi Simon,
You might want to look at "TI's wiki pages for DSPLink":http://processors.wiki.ti.com/index.php/DSPLink_... Michael Williamson

07:44 PM Software Development: DSP-6748 wiki info

Hi,
When will there be more info on the wiki about how to use the DSP side of the OMAP?
Thanks! Simon Therriault

07:49 PM Software Development: RE: Audio help needed

You've loaded the driver, but have you instantiated the board / device (the McASP device in the board-mityomapl138.c ... Michael Williamson

07:20 PM Software Development: RE: Audio help needed

I've built the kernel with alsa sound and the tlv320aic3x driver as a loadable module. When I load the module I see "... Dennis Volper

11/01/2010

11:02 PM Software Development: RE: Timers and interrupt

Ok so we are probably going to use the DSP for some stuff and keep the ARM for higher level processing... From what I... Simon Therriault

06:06 PM Software Development: RE: Timers and interrupt

Hey Tom,
The reason I was focusing on the AM1808 is because at first it was the chip we wanted to work with. The o... Simon Therriault

10:39 AM Software Development: RE: Timers and interrupt

Hi Simon -
I realize you are trying to use an AM1808 module, but using an OMAP-L138 and using the DSP for this qu... Thomas Catalino

11:14 AM Software Development: RE: QNX

John,
I can wait a couple of days for the 6.5 port. I do have the Industrial I/O board with the L138 MityDSP modul... Rob Gillis

11:03 AM Software Development: RE: QNX

Rob,
I tried QNX 6.4 on our INDIO board a few weeks ago. I need to try it again with the 6.5 changes to make sure ... John Pruitt

10/31/2010

05:27 PM Software Development: RE: Timers and interrupt

Hey Mike,
Thanks for the feedback. I will discuss your ideas with my hardware partner. Could you send me a link ab... Simon Therriault

04:21 PM Software Development: RE: Timers and interrupt

Well,
I suspect you will need to write driver code to meet your 20 usec timing block. IMHO (and I'm not an expert... Michael Williamson

02:08 PM Software Development: RE: Timers and interrupt

any thoughts...? Simon Therriault

10/28/2010

03:07 PM Software Development: RE: QNX

Mike,
Thanks for the quick response. Monday is Ok, I'll get the QNX development environment installed in the mean... Rob Gillis

02:59 PM Software Development: RE: QNX

Hi Mr. Gillis,
We do have a QNX port and a BSP package, but we haven't migrated it to our external support site ye... Michael Williamson

02:23 PM Software Development: QNX

Hello,
I am trying to evaluate QNX for our MityDSP-L138, and the apps engineer indicated that there is a custom BS... Rob Gillis

10/26/2010

07:28 PM Software Development: RE: Timers and interrupt

Hey Mike,
Thanks for the info.
Here is what I need to do.
I have 4 different work blocks doing some stuff an... Simon Therriault

03:55 PM Software Development: RE: Timers and interrupt

Hi Simon,
The architecture used for these processors is the "davinci" architecture. The information you want to l... Michael Williamson

10/25/2010

10:00 PM Software Development: Timers and interrupt

Hey,
I would like to be able to setup the hardware timers of the AM1808 inside the OMAP so one of my function os c... Simon Therriault

01:48 PM Software Development: RE: Loading a New Kernal

Is the UBL the same as a kernal? Our software guys sent me a file they called the kernal and told me to replace the ... John Mladenik

01:39 PM Software Development: RE: Loading a New Kernal

John
I will get a new wiki page started for this, but for now...
Updating Software Images on the MityDSP-L138¶
... Tim Iskander

01:29 PM Software Development: Loading a New Kernal

Sorry if this is redundant but my software guys are not available today and I am stuck. I need to load the Cianna ke... John Mladenik

10/23/2010

07:21 PM Software Development: RE: ARM peripherals

Hey Mike,
I'm not sure I follow you when you say to check out the linux source code to see which drivers are alrea... Simon Therriault

06:35 PM Software Development: RE: ARM peripherals

Well,
There are two paths for hardware access. Many of the devices (LCD, some SPI, uarts, etc.) have correspondin... Michael Williamson

06:26 PM Software Development: ARM peripherals

Hi,
I got my setup working now... I can debug a hello world application, trace in it using gdbserver etc... Now, I... Simon Therriault

02:09 PM Software Development: RE: Getting started

Hi again
Is there a release note somewhere about the Release 2010-10-12? I think the VirtualBox image I had on m... Simon Therriault

01:17 PM Software Development: RE: Getting started

Hi Simon,
Yes, you are right, you probably won't need CCS or the Emulator (except, perhaps for the PRU...).
The... Michael Williamson

10:42 AM Software Development: RE: Getting started

Hi Mike,
Thanks for your fast reply!
For my project, I will probably only use the ARM side. In fact, I wanted a... Simon Therriault

09:35 AM Software Development: RE: Getting started

Hi Simon,
For software development, there are really two distinct development paths / tools. One is for the ARM, ... Michael Williamson

08:46 AM Software Development: Getting started

Hey everyone,
I just received my MityDSP-L138 and I'm kinda lost about where to start with it. Is there some docum... Simon Therriault

10/22/2010

01:39 PM Software Development: RE: Audio help needed

This helps point the way. I'll let you know when I have additional questions.
Looks like I should check out both t... William Fisher

08:02 AM Software Development: RE: Audio help needed

The MityDSP-L138 (really, the OMAP-L138 or AM1808) uses (primarily) the McASP to support audio. McASP drivers are in... Michael Williamson

12:37 AM Software Development: RE: Audio help needed

We're at the point where we are now developing audio code for our app. What is the status of the audio drivers for th... William Fisher

10/19/2010

08:52 PM Software Development: RE: LCD/Display questions

We are looking at the user space solution. My hardware person says I'm wrong, he has attached the device I need to ac... Dennis Volper

08:22 PM Software Development: RE: LCD/Display questions

On the current industrial I/O kernel configuration, SPI0 is disabled as pins associated with it are used for the MII ... Michael Williamson

08:02 PM Software Development: RE: LCD/Display questions

I need to access spi0. It appears something related to it is compiled into the kernel (devices-da8xx.c/.o). But I don... Dennis Volper